Toward a Dexter-based model for open hypermedia: Unifying embedded references and link objects

The Dexter Hypertext Reference model is well suited to modelling anchor-based hypermedia systems and static hypermedia structures. But it is less clear that Dexter is adequate for systems whose linking is based on embedded references like the World Wide Web (WWW), nor for modelling the dynamic aspects of contemporary hypermedia systems like DHM and Microcosm. This paper proposes a new Dexter-based extensible objectoriented model designed to cover a broader spectrum of the features of contemporary hypermedia systems. The model introduces two new concepts, LocationSpecifiers and ReferenceSpecifiers, which let us model links as references embedded in documents as well as links as objects in separate databases. This suggests the idea of new systems that could support both styles as one step toward integrating global networked information sources with application-bridging systems on local hosts. In addition, our model is better equipped to handle dynamic hypermedia structures. As an example..

Connecting Interface Metaphors to Support Creation of Path-Based Collections

Walden's Paths is a suite of tools that supports the creation and presentation of linear hypermedia paths---targeted collections that enable authors to reorganize and contextualize Web-based information for presentation to an audience

Re-thinking bookmark management – Less choice is more efficient

This research investigates the role of a Controlled Vocabulary (CV) in next generation bookmark management systems. The search for a more efficient graphical user interface solution to deal with the massive information overload situation faced by most computer users today is a pressing problem. CVs allow categorization of title words and phrases into the appropriate location recognized by the user, so as to facilitate easier information storage and retrieval. The results of this user study involving 152 individuals indicated that there is potential for a well-defined two-tier controlled vocabulary system to assist user categorization, information storage and retrieval in personal information management systems

Multilayer superimposed information for collaborative annotation in wikis

Collaborative writing and editing typically use annotations to coordinate edition tasks, comment the content, add relevant references, or clarify confusing content. Despite that wikis are among the most widely used hypertext systems for performing such collaborative activities, they have little support to annotations. In this paper, we propose to use spatial hypertext layers as the solution for the management of annotations in wikis. We have extended ShyWiki, a spatial hypertext wiki environment, with Multilayer Superimposed Information features. In addition, we present the results of a study that shows the value of spatial hypertext layers for locate, organize and group annotations in interest groups under a wiki interface